Base | Representation |
---|---|
bin | 101000110001… |
… | …100010000101 |
3 | 202010001001202 |
4 | 220301202011 |
5 | 10214014040 |
6 | 1021032245 |
7 | 156565142 |
oct | 50614205 |
9 | 22101052 |
10 | 10688645 |
11 | 60405a0 |
12 | 36b5685 |
13 | 22a3156 |
14 | 15c33c9 |
15 | e12015 |
hex | a31885 |
10688645 has 16 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 7521600.
The previous prime is 10688611. The next prime is 10688647. The reversal of 10688645 is 54688601.
It is not a de Polignac number, because 10688645 - 26 = 10688581 is a prime.
It is a super-2 number, since 2×106886452 = 228494263872050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10688599 and 10688608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10688647) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430 + ... + 4839.
It is an arithmetic number, because the mean of its divisors is an integer number (902880).
Almost surely, 210688645 is an apocalyptic number.
It is an amenable number.
10688645 is a deficient number, since it is larger than the sum of its proper divisors (3757435).
10688645 is a wasteful number, since it uses less digits than its factorization.
10688645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6316.
The product of its (nonzero) digits is 46080, while the sum is 38.
The square root of 10688645 is about 3269.3493236422. The cubic root of 10688645 is about 220.2795688250.
The spelling of 10688645 in words is "ten million, six hundred eighty-eight thousand, six hundred forty-five".
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